100 PINK MIX ASTILBE (False Spirea / False Goats Beard) Astilbe Chinensis Flower Seeds BLOOM TIME: Mid - Late Summer HARDINESS ZONE: 4 - 8 PLANT HEIGHT: 18 - 24" . . . PLANT SPACING: 18 - 24" LIGHT REQUIREMENTS: Part Shade - Shade . . . SOIL/WATER: Average Attracts bees, butterflies, and birds. Astilbe is a wonderful way to add color to any shade garden!